Bloomberg Best of the Year 2016: Travelers ride on red line Mi Teleferico cable cars above the city in La Paz, Bolivia, on Thursday, Sept. 8, 2016. Boliva’s Mi Teleferico cable cars are the longest aerial cable car system worldwide, with three lines currently operating between the cities of La Paz and El Alto. According to the government, plans to build eight more lines in a second phase have already begun. Photographer: Marcelo Perez del Carpio/Bloomberg via Getty Images